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Authors: Chau Duc Phu 1 ; François Brémond 2 ; Etienne Corvée 2 and Monique Thonnat 2

Affiliations: 1 Pulsar, INRIA; Department of Technology, Phu Xuan Private University, France ; 2 Pulsar, INRIA, France

Keyword(s): Computer vision, Cognitive vision, Machine learning, Video surveillance.

Related Ontology Subjects/Areas/Topics: Applications ; Computer Vision, Visualization and Computer Graphics ; Human-Computer Interaction ; Methodologies and Methods ; Motion and Tracking ; Motion, Tracking and Stereo Vision ; Pattern Recognition ; Physiological Computing Systems ; Tracking of People and Surveillance

Abstract: This paper presents a method for improving any object tracking algorithm based on machine learning. During the training phase, important trajectory features are extracted which are then used to calculate a confidence value of trajectory. The positions at which objects are usually lost and found are clustered in order to construct the set of ‘lost zones’ and ‘found zones’ in the scene. Using these zones, we construct a triplet set of zones i.e. 3 zones: In/Out zone (zone where an object can enter or exit the scene), ‘lost zone’ and ‘found zone’. Thanks to these triplets, during the testing phase, we can repair the erroneous trajectories according to which triplet they are most likely to belong to. The advantage of our approach over the existing state of the art approaches is that (i) this method does not depend on a predefined contextual scene, (ii) we exploit the semantic of the scene and (iii) we have proposed a method to filter out noisy trajectories based on their confidence value.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Duc Phu, C.; Brémond, F.; Corvée, E. and Thonnat, M. (2009). REPAIRING PEOPLE TRAJECTORIES BASED ON POINT CLUSTERING. In Proceedings of the Fourth International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2009) ISBN 978-989-8111-69-2; ISSN 2184-4321, pages 449-456. DOI: 10.5220/0001778904490456

@conference{visapp09,
author={Chau {Duc Phu}. and Fran\c{C}ois Brémond. and Etienne Corvée. and Monique Thonnat.},
title={REPAIRING PEOPLE TRAJECTORIES BASED ON POINT CLUSTERING},
booktitle={Proceedings of the Fourth International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2009)},
year={2009},
pages={449-456},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001778904490456},
isbn={978-989-8111-69-2},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Fourth International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2009)
TI - REPAIRING PEOPLE TRAJECTORIES BASED ON POINT CLUSTERING
SN - 978-989-8111-69-2
IS - 2184-4321
AU - Duc Phu, C.
AU - Brémond, F.
AU - Corvée, E.
AU - Thonnat, M.
PY - 2009
SP - 449
EP - 456
DO - 10.5220/0001778904490456

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